64865720 is an even 8-digits composite number following 64865719
and preceding 64865721 . In scientific notation, it is written as 6.4865720 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 25946272 positive integers (up to 64865720) that are relatively prime to 64865720.
64865720 has 16 divisors, whose sum is 145947960
The reverse of 64865720 is 02756846
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-four million eight hundred sixty-five thousand seven hundred twenty
Scientific notation
6.4865720 × 10^7
Engineering notation
6.4865720 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1621643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16216430
Product of the distinct prime numbers
The prime factorization of 64865720 is 2 × 2 × 2 × 5 × 1621643.
Since it has a total of 5 prime factors.
1 , 10 , 69 , 41 , 15 , 319 , 5777 , 1755 , 32894 , 4823 , 964649 , 449918 , 8811447 , 7183233 , 18814785 , 34830218 , 112611056 , 239616082 , 2855829205 , 9630868695
n×2
129731440
n×3
194597160
n×4
259462880
n×5
324328600
n÷2
32432860
n÷3
21621906.666667
n÷3
16216430
n÷5
12973144
n2
4207561631118400
n3
2.7292651464687E+23
n4
1.770357487966E+31
n5
1.148355131143E+39
2 √n
8053.9257508373
3 √n
401.79551161906
4 √n
89.743666912141
5 √n
36.509261531125
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 1621643 , 3243286 , 6486572 , 8108215 , 12973144 , 16216430 , 32432860 , 64865720
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64865719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64865720 can be divided by 16 positive divisors.
The sum of these divisors (counting 64865720) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111011100010110111000
3
Ternary
11112001112001002
4
Quaternary
3313130112320
5
Quinary
113101200340
6
Senary
10234144132
8
Octal
367342670
10
Decimal
64865720
12
Duodecimal
19882048
16
Hexadecimal
3ddc5b8
20
Vigesimal
1058460
36
Base36
12mapk
md5
4f79ba1946604068a386408cf0790197
sha1
462027ff1df3fcfe38eed664122bd1ad3fcdb6fd
sha256
2b7ecf57f4a270433c5d3d585c9f4426b1a8ad55737b8abbbfc378c08e52cd6f
sha512
3ff42f68b94aaff3aeffdd9ac04bbda7098b82410ea0216093ae4769dd107370e773579dd5a424a105e95fa4f25de4472139a1ab575480803072b5be5b6c186d
ripemd-160
a1446406f0bb52d952c099f4172dba04045ad9f9
Diameter
129731440
Circumference
407563338.84363
Area
1.3218444709848E+16
Volume
1.1432319111793E+24
Surface area
5.2873778839391E+16
Circumference
407563338.84363
Perimeter
259462880
Area
4207561631118400
Diagonal
91733980.957096
Surface area
25245369786710400
Volume
2.7292651464687E+23
Space diagonal
112350722.70954
Perimeter
194597160
Area
1.8219276302686E+15
Altitude
56175361.354768
Surface area
1.8219276302686E+15
Volume
3.2164698212068E+22
Height
30577993.652365